Failures in thymus medulla regeneration during immune recovery cause tolerance loss and prime recipients for auto-GVHD

AS Alawam, EJ Cosway, KD James, B Lucas… - Journal of Experimental …, 2021 - rupress.org
Bone marrow transplantation (BMT) is a widely used therapy for blood cancers and primary
immunodeficiency. Following transplant, the thymus plays a key role in immune …

Donor T-cell alloreactivity against host thymic epithelium limits T-cell development after bone marrow transplantation

MM Hauri-Hohl, MP Keller, J Gill, K Hafen, E Pachlatko… - Blood, 2007 - ashpublications.org
Acute graft-versus-host disease (aGVHD) impairs thymus-dependent T-cell regeneration in
recipients of allogeneic bone marrow transplants through yet to be defined mechanisms …

Massive activation-induced cell death of alloreactive T cells with apoptosis of bystander postthymic T cells prevents immune reconstitution in mice with graft-versus …

S Brochu, B Rioux-Massé, J Roy… - Blood, The Journal …, 1999 - ashpublications.org
After hematopoietic stem cell transplantation, the persistence and expansion of grafted
mature postthymic T cells allow both transfer of donor immunologic memory and generation …

Impaired thymic expression of tissue-restricted antigens licenses the de novo generation of autoreactive CD4+ T cells in acute GVHD

S Dertschnig, MM Hauri-Hohl, M Vollmer… - Blood, The Journal …, 2015 - ashpublications.org
During acute graft-versus-host disease (aGVHD) in mice, autoreactive T cells can be
generated de novo in the host thymus implying an impairment in self-tolerance induction. As …

The thymus in GVHD pathophysiology

W Krenger, GA Holländer - Best Practice & Research Clinical Haematology, 2008 - Elsevier
A favorable outcome of allogeneic hematopoietic stem-cell transplantation (HSCT) depends
on the complete reconstitution of the host's immune system. While recovery of peripheral T …

Restoring T cell homeostasis after allogeneic stem cell transplantation; principal limitations and future challenges

MM Moutuou, G Pagé, I Zaid, S Lesage… - Frontiers in …, 2018 - frontiersin.org
For several leukemia patients, allogeneic stem cell transplantation (allogeneic-SCT) is the
unique therapeutic modality that could potentially cure their disease. Despite significant …

Impaired thymic negative selection causes autoimmune graft-versus-host disease

T Teshima, P Reddy, C Liu, D Williams, KR Cooke… - Blood, 2003 - ashpublications.org
Animal models with impaired thymic negative selection do not always cause autoimmune
diseases despite the development of an autoreactive T-cell repertoire. We investigated the …

Thymic T-cell development in allogeneic stem cell transplantation

W Krenger, BR Blazar… - Blood, The Journal of the …, 2011 - ashpublications.org
Cytoreductive conditioning regimens used in the context of allogeneic hematopoietic cell
transplantation (HCT) elicit deficits in innate and adaptive immunity, which predispose …

The immunopathology of thymic GVHD

W Krenger, GA Holländer - Seminars in immunopathology, 2008 - Springer
The clinical success of allogeneic hematopoietic stem cell transplantation (HSCT) depends
on the appropriate reconstitution of the host's immune system. While recovery of T-cell …

Extrathymic development of murine T cells after bone marrow transplantation

AM Holland, JL Zakrzewski, JJ Tsai… - The Journal of …, 2012 - Am Soc Clin Investig
Restoring T cell competence is a significant clinical challenge in patients whose thymic
function is severely compromised due to age or cytoreductive conditioning. Here, we …